2550240 has 288 divisors, whose sum is σ = 11321856. Its totient is φ = 506880.

The previous prime is 2550209. The next prime is 2550253. The reversal of 2550240 is 420552.

2550240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 110869 + ... + 110891.

It is an arithmetic number, because the mean of its divisors is an integer number (39312).

2^2550240 is an apocalyptic number.

2550240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2550240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5660928).

2550240 is an abundant number, since it is smaller than the sum of its proper divisors (8771616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2550240 is a wasteful number, since it uses less digits than its factorization.

2550240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 2550240 is about 1596.9470874140. The cubic root of 2550240 is about 136.6240067792.

Adding to 2550240 its reverse (420552), we get a palindrome (2970792).

The spelling of 2550240 in words is "two million, five hundred fifty thousand, two hundred forty".